单词：trough reflector
单词：trough reflector 相关文章
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美国 Kidsongs 英语儿童歌曲
In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40
Scientific American(四)月
据《科学》杂志报道，苏联的月球车40年前在月球表面留下了激光反射器，虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日，一组物理学家终于发现了来自反射器的微弱闪
60秒科学
Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar
电信英语
The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e
2016CRI中国国际广播电台
Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst
英文短篇故事（纽约）
Idiom: On the wagon 成功戒酒 Hit the book: Scale Descend Mariana trench Crescent Scar Peak Trough Tectonic Collide
趣味青春英语
You'll worry all right when next winter comes, said the sheep. 到冬天你就在乎了，老羊说， You'll worry all right on a zero morning next January when Wilbur is dead 到一月，早晨只有零度，你就在乎了，那时候威尔伯不在
夏洛的网
Well, said one of the lambs, this whole business is all well and good for Charlotte, but what about the rest of us? 很好，一只小羊说，这整件事情让夏洛总算太平无事，可我们大伙儿呢？ The smell is unbearable. Who wants to
夏洛的网
Avery put one leg over the fence of the pigpen. He was just about to raise his stick to hit Charlotte when he lost his balance. 艾弗里单腿站在猪栏的围栏上。他正要举起树枝去打夏洛，一下子没站稳， He swayed and toppled
夏洛的网
Charlotte? he said, in a whisper. Yes? May I get a drink of milk? 夏洛？它又悄悄地说。什么事？我可以喝一口牛奶吗？ I think there are a few drops of milk left in my trough. 我想我的食槽里还留下几滴牛奶。 No, the
夏洛的网
Charlotte? he said. Yes, Wilbur? 夏洛，你能听到我说话吗？它问道。是的，威尔伯，什么事？ May I go out to my trough and see if I left any of my supper? 我可不可以到外面食槽去，看看我是不是还留下一点晚饭
夏洛的网
Wilbur watched him disappear into his tunnel. 威尔伯看着它钻进地道不见了， In a moment he saw the rat's sharp nose poke out from underneath the wooden trough. 转眼就见它的尖鼻子从木槽底下伸出来。 Cautiously Templeton p
夏洛的网
Sadly, Wilbur lay down and listened to the rain. 威尔伯很难过，只好躺下来，听雨声。 Soon he saw the rat climbing down a slanting board that he used as a stairway. 很快它看到那只老鼠从一块斜板上爬下来，它把它当楼
夏洛的网
You'll be sorry-sorry-sorry, called the goose. 你要后悔后悔后悔的。母鹅叫道。 Wilbur didn't care. He kept walking toward the pail of slops. 威尔伯不管。它继续朝那桶泔脚走去。 You'll miss your freedom, honked the goose.
夏洛的网
By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti
VOA常速英语2007年（十一月）
The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for
2016CRI中国国际广播电台
In a different world I'd now what is really right to do. To keep far away all the shit that is fucking up my mood. Pushing down my throath the solution for my brain abuse. In a dirty world where emotions got a price for you. Technologic age spreading
英文摇滚歌曲
Let's take a look at the satellite. A trough is triggering storms over northern parts of Queensland. Another trough is generating showers and storms in the northern territory and WA. And a high is keeping the country's southeast dry. Looking around t
澳洲ABC新闻快递2012年